tac

SYNOPSIS

       tac [OPTION]... [FILE]...

DESCRIPTION

       Write  each FILE to standard output, last line first.  With no FILE, or
       when FILE is -, read standard input.

       Mandatory arguments to long options are  mandatory  for  short  options
       too.

       -b, --before
              attach the separator before instead of after

       -r, --regex
              interpret the separator as a regular expression

       -s, --separator=STRING
              use STRING as the separator instead of newline

       --help display this help and exit

       --version
              output version information and exit

       GNU  coreutils  online  help:  <http://www.gnu.org/software/coreutils/>
       Report tac translation bugs to <http://translationproject.org/team/>

AUTHOR

       Written by Jay Lepreau and David MacKenzie.

COPYRIGHT

       Copyright (C) 2013 Free Software Foundation, Inc.  License GPLv3+:  GNU
       GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This  is  free  software:  you  are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       rev(1)

       The full documentation for tac is maintained as a Texinfo  manual.   If
       the info and tac programs are properly installed at your site, the com-
       mand

              info coreutils 'tac invocation'

       should give you access to the complete manual.

GNU coreutils 8.22 November 2020 TAC(1)